JP6118069B2 - Air cooler with cool storage function - Google Patents

Description

  The present invention relates to an air cooler with a cold storage function capable of storing cold heat.

  Conventionally, for example, a refrigeration cycle including a compressor driven by an engine has been used in a vehicle air conditioner, and an evaporator of the refrigeration cycle is generally used as an air cooler.

  In recent years, vehicles equipped with a so-called idling stop function that automatically stops an engine from the viewpoint of improving fuel efficiency and reducing environmental load have become widespread. When the engine is stopped, the operation of the refrigeration cycle is also stopped, so that the cooling performance of the passenger compartment cannot be ensured. As a result, the engine is frequently restarted, and the effect of the idling stop function cannot be sufficiently obtained.

  Therefore, for example, as disclosed in Patent Documents 1 and 2, it is considered to suppress an increase in the cold air temperature during idling stop by providing the air cooler with a cold storage function.

  The air cooler of Patent Document 1 is a tube-and-fin type heat exchanger including a core composed of a plurality of tubes and fins, and a pair of header tanks communicating with end portions of the tubes. The inside of the header tank is partitioned into two in the flow direction of the external air, and the refrigerant flows in the space on the upstream side of the external air, while the regenerator material is sealed in the space on the downstream side. The tube is composed of a refrigerant circulation tube that communicates with a portion where the refrigerant circulates inside the header tank, and a cool storage material-enclosed tube that communicates with a portion that encloses the cool storage material.

  The air cooler of Patent Document 2 is also a tube-and-fin type heat exchanger. A refrigerant flows through the tubes, and a cold storage function is added by replacing some fins between the tubes with a cold storage material container.

JP 2011-133126 A JP 2010-91250 A

  By the way, when adding a cool storage function to an air cooler, it is common to provide an enclosed space for a cool storage material in a part of the air cooler as in Patent Documents 1 and 2. At this time, the comfort of the passenger can be further improved by adjusting the proportion of the enclosed space of the regenerator material in the air cooler and the proportion of the space through which the refrigerant flows. In other words, when the proportion of the space where the refrigerant flows is reduced, the maximum cooling capacity decreases and the rise of the cooling becomes slow, while when the proportion of the enclosed space of the cool storage material is reduced, the cold storage function is added. Meaning goes down. Depending on the specifications of the vehicle, the maximum cooling capacity and the cold storage capacity may be changed, and in the vehicle development stage, both capacities may be slightly changed and adjusted. Furthermore, the cold storage function may be unnecessary depending on the vehicle specifications.

  However, in Patent Document 1, by dividing the header tank into two in the direction of the flow of external air, a portion through which the refrigerant flows and a portion that encloses the regenerator material are provided, and a refrigerant distribution tube and a regenerator material enclosure tube are provided respectively. Since it is connected, if it is going to change the ratio of the storage space of the cool storage material in an air cooler, you have to increase or decrease a partition part in the flow direction of the external air of a header tank. Then, it is necessary to change the number of rows of tubes arranged in the flow direction of the external air corresponding to the number of partitions. To change the number of rows of tubes, the thickness of the air cooler (dimension in the direction of external air flow) must also be changed. Also, in the case of an air cooler that does not require a cold storage function, the partition structure of the header tank and the number of rows of tubes arranged in the flow direction of the external air must be changed.

  In other words, when changing the maximum cooling capacity and the cold storage capacity with the air cooler of Patent Document 1 and trying to make a difference between with and without the cold storage function, the basic structure is greatly changed. There is a problem that major changes to the equipment must be made.

  Further, the casing for housing the air cooler also requires a structural change when the basic structure of the air cooler changes as described above, resulting in an increase in cost.

  Then, like patent document 2, it is possible to add a cool storage function by replacing a part of fin with a cool storage material container. However, since the cool storage material container does not allow external air to pass through, the airflow resistance of the air cooler is greatly increased, resulting in a decrease in the air volume. In order to prevent this, it is necessary to change the design so that the airflow resistance does not increase. Eventually, the basic structure is greatly changed, and the same problem as that in Patent Document 1 may occur.

  The present invention has been made in view of such points, and the object of the present invention is to achieve the maximum cooling capacity and the cold storage without greatly changing the basic structure of the air cooler and without increasing the airflow resistance. It is possible to change the capacity and change the presence or absence of the cold storage function to facilitate the design and reduce the cost without making a major change in production equipment and casing.

  In order to achieve the above object, in the present invention, an enclosure space for the regenerator material is secured by partitioning the header tank in the tube and fin arrangement direction.

The first invention is
A core disposed such that a plurality of tubes and fins are alternately arranged in a predetermined direction;
In the air cooler with a cool storage function provided with a header tank arranged at the end of the tube,
The tubes are provided so as to be arranged in a plurality of rows in the flow direction of the external air,
In the header tank, an upstream space and a downstream space in the external air flow direction are formed corresponding to the arrangement of the tubes in the flow direction of the external air, and the downstream space is connected to the tube and A partition portion for partitioning at least the first space and the second space in the direction in which the fins are arranged is provided, and the end portions of the tubes communicate with the first space and the second space,
A supply pipe to which a heat exchange medium is supplied is connected to the first space,
The tube connected to the second space is filled with a cold storage material, and the tube filled with the cold storage material is disposed on the downstream side in the flow direction of the external air,
In the alignment direction of the tube and fins, tubes located next to the tube in which the cold accumulating material is filled is characterized in that it is connected to the first space.

  According to this configuration, the heat exchange medium supplied from the supply pipe flows into the first space of the header tank, circulates through the tube connected to the first space, and exchanges heat with external air, thereby Air is cooled. At this time, since the cold heat of the heat exchange medium is stored in the cold storage material in the tube connected to the second space, even if the supply of the heat exchange medium is stopped, the external air is cooled by the cold heat stored in the cold storage material for a while. Can be cooled.

  For example, when improving the cold storage performance, the partition of the header tank is moved so that the second space is widened, thereby increasing the number of tubes connected to the second space and increasing the amount of the cold storage material. Therefore, the cold storage performance is improved. At this time, since the first space is narrowed, the number of tubes through which the heat exchange medium flows is reduced, and thus the maximum cooling capacity is reduced. In other words, it is possible to change the maximum cooling capacity and cool storage capacity simply by moving the header tank partition in the direction of tube and fin arrangement in the header tank. It is not necessary to change the number of tube rows in the flow direction of the external air.

  Moreover, since it is not necessary to crush the fins when filling the regenerator material, the ventilation resistance of the air cooler does not increase.

  Furthermore, when the cold storage function is not added, the partition portion may be removed so as not to form the second space in the header tank, and in this case, a small change is sufficient.

Further, since the external air cooled on the upstream side flows toward the tube filled with the cold storage material, the cold heat is easily transmitted. Furthermore, since the heat exchange medium flows through the tube adjacent to the tube filled with the cold storage material, this also facilitates the transfer of cold heat to the tube filled with the cold storage material. Therefore, the cool storage time for the cool storage material is shortened.

According to a second invention, in the first invention,
The first tube connected to the first space and the second tube connected to the second space are the same tube.

According to this structure, it becomes possible to add a cool storage function only by providing a partition part in the header tank of an air cooler without a cool storage function .

According to a third invention, in the second invention,
The second space of the header tank is provided with a bypass passage for allowing the heat exchange medium to flow through the second space.

  According to this configuration, the bypass passage for the heat exchange medium can be provided inside the header tank. Thereby, since it is not necessary to change the outer shape of the air cooler, it is not necessary to change the shape of the casing when accommodated in the casing.

According to a fourth invention, in any one of the first to third inventions,
The supply pipe for supplying the heat exchange medium to the header tank and the discharge pipe for discharging the heat exchange medium from the header tank are connected to the header tank from the same side surface of the air cooler. is there.

  According to this configuration, since the supply pipe and the discharge pipe are on the same side surface of the air cooler, the design of the casing that houses the air cooler is facilitated.

A fifth invention is the fourth invention,
The supply pipe and the discharge pipe are connected to the same header tank and are adjacent to each other.

  According to this configuration, since the supply pipe and the discharge pipe are adjacent to each other, for example, the piping layout to the engine room side is facilitated.

A sixth invention is the invention according to any one of the first to fifth aspects ,
The header tank is provided with a heat exchange medium control unit that increases the flow rate of the heat exchange medium flowing in the tube located upstream of the tube filled with the cold storage material in the external air flow direction. is there.

  That is, the temperature of the external air that passes between the tubes filled with the cold storage material tends to be higher than the temperature of the external air that passes between the tubes through which the heat exchange medium flows. Since the flow rate of the heat exchange medium flowing through the tube located upstream in the external air flow direction of the tube filled with the material increases, the temperature of the external air passing between the tubes filled with the cold storage material can be lowered. It becomes possible.

A seventh invention is the invention according to any one of the first to sixth inventions,
A wind direction guide is provided for guiding the external air that has passed between the tubes through which the heat exchange medium flows to the side on which the tubes filled with the regenerator material are disposed.

  According to this configuration, the external air that has passed between the tubes through which the heat exchange medium flows and the external air that flows between the tubes filled with the regenerator material can be mixed to substantially uniformize the downstream air temperature. It becomes possible.

  According to the first invention, the internal space of the header tank is partitioned into at least a first space and a second space in the arrangement direction of the tubes and fins by the partitioning portion, and the ends of the tubes are respectively divided into the first space and the second space. The parts are connected to supply the heat exchange medium to the first space, while the tube connected to the second space is filled with a cold storage material. As a result, it is possible to change the maximum cooling capacity and the cold storage capacity without changing the basic structure of the air cooler and increasing the ventilation resistance by simply moving the partition part. The presence or absence of the cold storage function can be changed depending on the presence or absence of the second space. As a result, the design of the air cooler can be facilitated, and a large change in production equipment and casing is not required, thereby reducing costs.

In addition, the tube filled with the cold storage material is disposed downstream in the flow direction of the external air, and further, in the arrangement direction of the tubes and the fins, a heat exchange medium is placed on the tube located next to the tube filled with the cold storage material. Since it was made to distribute | circulate, the cool storage time to a cool storage material can be shortened.

According to the second invention, since the first tube connected to the first space and the second tube connected to the second space are made the same tube, an air cooler without a cold storage function can be easily stored. Can be attached .

According to the third aspect , since the bypass passage is provided in the second space of the header tank, it is not necessary to change the outer shape of the air cooler. Thereby, when accommodating an air cooler in a casing, the shape change of a casing can be made unnecessary and cost reduction can be achieved further.

According to the fourth invention, the heat exchange medium supply pipe and the discharge pipe are connected to the header tank from the same side surface of the air cooler, so that the casing can be easily designed.

According to the fifth aspect , since the supply pipe and the discharge pipe are adjacent to each other, for example, when piping to the engine room is necessary, the piping layout can be facilitated.

According to the sixth aspect of the invention, the flow rate of the heat exchange medium flowing through the tube located upstream in the external air flow direction of the tube filled with the regenerator material is increased. Thus, the blowout temperature can be made uniform.

According to the seventh invention, by providing the wind direction guide, it is possible to mix the external air that has passed between the tubes through which the heat exchange medium flows and the external air that flows between the tubes filled with the cold storage material. . Thereby, the downstream air temperature can be made substantially uniform, and passenger comfort can be further improved.

It is a perspective view of the air cooler concerning Embodiment 1 of the present invention. It is the II-II sectional view taken on the line of FIG. It is the figure which simplified and showed the internal structure of the air cooler concerning Embodiment 1. FIG. 4 is a view corresponding to FIG. 3 of an air cooler according to a second embodiment. FIG. 6 is a view corresponding to FIG. 3 of an air cooler according to a third embodiment. FIG. 6 is a view corresponding to FIG. 3 illustrating an air cooler according to a fourth embodiment. FIG. 9 is a view corresponding to FIG. 3 illustrating an air cooler according to a fifth embodiment. FIG. 9 is a view corresponding to FIG. 3 illustrating an air cooler according to a sixth embodiment. FIG. 9 is a view corresponding to FIG. 3 illustrating an air cooler according to a seventh embodiment. FIG. 9 is a view corresponding to FIG. 3 illustrating an air cooler according to an eighth embodiment. It is a top view of the air cooler concerning the modification of Embodiments 2-8. FIG. 10 is a view corresponding to FIG. 3 illustrating an air cooler according to a ninth embodiment.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. It should be noted that the following description of the preferred embodiment is merely illustrative in nature, and is not intended to limit the present invention, its application, or its use.

(Embodiment 1)
FIG. 1 is a perspective view of an air cooler 1 with a cold storage function according to Embodiment 1 of the present invention. FIG. 2 is a diagram showing a horizontal section of the upper header tank 3 of the air cooler 1. Although not shown, the air cooler 1 is an evaporator that is an element of a refrigeration cycle of a vehicle air conditioner. In addition to the air cooler 1, the refrigeration cycle includes a compressor that compresses a refrigerant as a heat exchange medium, a condenser, and an expansion valve. These devices are connected by a refrigerant pipe so that the refrigerant circulates. Yes. The compressor is driven by the engine of the vehicle. This vehicle is equipped with a so-called idling stop device configured to automatically stop idling of the engine when the vehicle is stopped and when a predetermined condition for automatic engine stop is satisfied. The configuration of the idling stop device is well known in the art and will not be described. The idling stop device permits automatic stop of idling when the vehicle control device determines that the cooling performance and heating performance required by the occupant can be secured, for example, even while the air conditioner is in operation. When it is determined that the required cooling performance or heating performance cannot be ensured, automatic idling is prohibited.

  The air cooler 1 is accommodated in a casing 100 (shown only by an imaginary line in FIG. 1) together with, for example, a heat exchanger for heating. The casing 100 can also accommodate an air mix damper, a blowing direction switching damper, and the like.

  The air cooler 1 includes a core 2, an upper header tank 3, and a lower header tank 4. The core 2 includes a plurality of leeward side tubes 21 and a windward side tube 22 (schematically shown in FIG. 3), a plurality of fins 23, and a pair of end plates 24.

  The leeward side tube 21 is disposed downstream of the air cooler 1 in the direction of external air flow (the direction indicated by the arrow X in each figure), and the windward side tube 22 is disposed upstream of the air cooler 1 in the direction of external airflow. The air cooler 1 has a double-row structure in which two rows of tubes 21 and 22 are arranged in the flow direction of the external air.

  The leeward side tube 21 and the leeward side tube 22 are flat tubes that extend in the vertical direction and have a long cross-sectional shape in the flow direction of the external air. The leeward side tube 21 is disposed at a predetermined interval in the width direction of the air cooler 1 (left and right direction in FIG. 1), and the fins 23 are disposed between adjacent leeward side tubes 21. The leeward side tube 21 is divided into two tube groups on the left and right by the arrangement of the second partition plate 32 of the upper header tank 3 to be described later, and the tube 21a on the right side of the second partition plate 32 has a cold storage material. The refrigerant is circulated through the filled tube 21b on the left side of the second partition plate 32. The tube 21a and the tube 21b are the same tube with the same cross-sectional shape, outer shape, length, and the like.

  In addition, as a cool storage material, what is used conventionally can be used, and a kind is not specifically limited. Further, the upper end portion and the lower end portion of the tube 21a may be closed to enclose the regenerator material in the tube 21a. The upper end portion and the lower end portion of the tube 21a may not be closed, and the tubes 21a in the header tanks 3 and 4 may be closed. You may fill the space which connects with a cool storage material.

  In FIG. 3, the part surrounded by the thick line represents the cold storage part which consists of the tube 21a with which the cold storage material was filled.

  Moreover, since the windward side tube 22 is arrange | positioned similarly to the leeward side tube 21, when it sees from the flow direction of external air, the leeward side tube 21 and the windward side tube 22 will mutually overlap. For this reason, for example, when the windward side tube 22 is viewed from the upstream side in the flow direction of the external air, the leeward side tube 21 is hardly visible.

  The fins 23 are corrugated fins extending in the vertical direction. The fins 23 are continuous from the leeward side tube 21 to the windward side tube 22 of the air cooler 1. That is, the core 2 is configured such that a plurality of the leeward side tubes 21, the windward side tubes 22, and the fins 23 are alternately arranged in the width direction of the air cooler 1.

  The end plate 24 is disposed so as to cover the fin 23 at the outer end of the core 2 from the outside.

  The upper header tank 3 is disposed at the upper ends of the tubes 21 and 22 and has a cylindrical shape extending in the width direction of the air cooler 1 (the arrangement direction of the tubes 21 and 22 and the fins 23). Inside the upper header tank 3, a first partition plate 31 for partitioning the internal space of the upper header tank 3 into a leeward space R on the downstream side in the flow direction of the external air and an upstream windward space S on the upstream side; The second partition plate 32 for partitioning the leeward space R into the left space R2 on the left side of the air cooler 1 and the right space R1 on the right side, and the left space S2 on the left side of the air cooler 1 and the right side space R1 A third partition plate 33 for partitioning into the right space S1 is provided. The first to third partition plates 31 to 33 become partition portions of the upper header tank 3.

  The left space R2 of the leeward space R is the first space of the present invention, and the left space R2 is connected to the upper end of the tube 21b through which the refrigerant flows in the leeward tube 21. The right space R1 of the leeward space R is the second space of the present invention, and a tube 21a filled with a cold storage material is connected to the right space R1. In addition, the upper end portion of the windward tube 22 is connected to the windward space S of the upper header tank 3.

  As shown in FIG. 1, a supply pipe 50 that supplies refrigerant to the upper header tank 3 is provided on the leeward side of the right end surface of the upper header tank 3. It is connected to the right space R1 of the side space R. A discharge pipe 51 for discharging the refrigerant in the upper header tank 3 is provided on the windward side of the right end surface of the upper header tank 3, and the discharge pipe 51 is a right space of the windward space S of the upper header tank 3. Connected to S1. Accordingly, the supply pipe 50 and the discharge pipe 51 are connected to the header tank 3 from the same side surface of the air cooler 1 and are adjacent to each other.

  Further, a bypass pipe 39 constituting a bypass passage is provided in the right space R1 of the leeward space R of the upper header tank 3. The bypass pipe 39 is for flowing the refrigerant supplied from the supply pipe 50 to the left space R2 by bypassing the right space R1. The upstream side of the bypass pipe 39 is connected to the supply pipe 50. The downstream side of the bypass pipe 39 penetrates the second partition plate 32 and is connected to the left space R2. Accordingly, the supply pipe 50 communicates with the left space R2 via the bypass pipe 39.

  In addition, the left side space R2 of the leeward side space R and the left side space S2 of the leeward side space S communicate with the portion of the first partition plate 31 of the upper header tank 3 on the left side of the second partition plate 32. A hole 31a is formed.

  The lower header tank 4 is disposed at the lower end of the tubes 21 and 22 and has a cylindrical shape extending in the width direction of the air cooler 1. Inside the lower header tank 4 is a first partition plate for partitioning the internal space of the lower header tank 4 into a leeward space T on the downstream side in the flow direction of the external air and an upwind space U on the upstream side. 41 and a second partition plate 42 for partitioning the leeward space T into a left space T2 on the left side of the air cooler 1 and a right space T1 on the right side. The first and second partition plates 41 and 42 serve as partition portions for the lower header tank 4.

  The left space T2 of the leeward space T is the first space of the present invention, and the left space T2 is connected to the lower end portion of the tube 21b through which the refrigerant flows in the leeward tube 21. The right space T1 of the leeward space T is the second space of the present invention, and a tube 21a filled with a cold storage material is connected to the right space T1. Further, the lower end portion of the windward side tube 22 is connected to the windward side space U of the lower header tank 4.

  In addition, a communication hole 41 a for communicating the left space T2 of the leeward space T and the windward space U is formed on the left side of the first partition plate 41 of the lower header tank 4 with respect to the second partition plate 42. Is formed.

  Next, the operation of the air cooler 1 configured as described above will be described. When the engine is in an operating state and the refrigeration cycle is operating, the refrigerant depressurized through the expansion valve is supplied from the supply pipe 50 to the leeward side space R of the upper header tank 3 as indicated by an arrow A in FIG. Flows into the bypass pipe 39 in the right side space R1 and flows through the bypass pipe 39 to the left as shown by the arrow B. The refrigerant that has flowed through the bypass pipe 39 flows into the left space R2 of the leeward space R, and then divides, flows into the leeward tube 21b as indicated by an arrow C1, and flows through the leeward tube 21b to flow through the lower header. It flows into the left space T2 of the leeward space T of the tank 4 and flows into the left space S2 of the windward space S from the communication hole 31a as indicated by an arrow C2. The refrigerant that has flowed into the left space T2 of the leeward space T of the lower header tank 4 flows into the windward space U from the communication hole 41a of the lower header tank 3 as indicated by an arrow D. On the other hand, the refrigerant that has flowed into the left space S2 of the windward space S of the upper header tank 3 flows into the windward tube 22 connected to the left space S2 as shown by the arrow E and flows through the windward tube 22. It flows into the windward space U of the lower header tank 4. The refrigerant that has flowed into the windward space U of the lower header tank 4 flows into the windward tube 22 connected to the right space S1 of the windward space S of the upper header tank 3 as indicated by the arrow F, and flows into the windward tube. 22 flows into the right space S1 of the windward space S of the upper header tank 3. The refrigerant that has flowed into the right space S1 of the windward space S of the upper header tank 3 is discharged from the discharge pipe 51 to the outside as indicated by an arrow G.

  In this embodiment, the refrigerant in the left space R2 of the leeward space R of the upper header tank 3 is caused to flow through the windward tube 22 overlapping the windward side of the tube 21a filled with the cold storage material, as indicated by an arrow C2. ing. Thereby, the flow volume of the refrigerant | coolant which distribute | circulates to the tube 22 located in the external air flow direction upstream of the tube 21a with which the cool storage material was filled can be increased. The communication hole 31a is a heat exchange medium controller of the present invention.

  While the refrigerant flows through the leeward side tube 21b and the leeward side tube 22, the refrigerant exchanges heat with the external air to cool the external air, and cools the cold storage material in the leeward side tube 21a to store the cold energy in the cold storage material. It is done. At this time, since the cool air cooled by passing through the windward tube 22 contacts the leeward tube 21a, the cool storage time for the cool storage material is shortened. Furthermore, since the leeward side tube 21b through which the refrigerant flows is adjacent to the left side of the leeward side tube 21a, the cold heat of the leeward side tube 21b is easily transmitted to the regenerator material of the leeward side tube 21a. Cold storage time is shortened.

  When the idling of the engine is automatically stopped, the refrigerant does not circulate, so the cold heat stored in the cold storage material of the leeward side tube 21a is released and the external air is cooled.

  In this embodiment, in order to improve the cold storage performance, the number of the leeward tubes 21a filled with the cold storage material may be increased. Specifically, the second partition plate 32 of the upper header tank 3 is moved to the left side. In addition, the second partition plate 42 of the lower header tank 4 is similarly moved to the left side. In the case of reducing the cold storage performance, the second partition plates 32 and 42 may be moved to the right side.

  On the other hand, in order to improve the maximum cooling performance, the number of the leeward side tubes 21b through which the refrigerant flows may be increased. Specifically, the second partition plate 32 of the upper header tank 3 is moved to the right side, and Similarly, the second partition plate 42 of the side header tank 4 is moved to the right side. In order to reduce the maximum cooling performance, the second partition plates 32 and 42 may be moved to the left side.

  When changing the cold storage performance or maximum cooling performance, there is no major structural change in the upper header tank 3 or lower header tank 4, and there is no need to change the number of rows of tubes in the direction of external air flow. It is possible to do it.

  Moreover, in this embodiment, since the cool storage material is filled in the tube 21a, the fins 23 do not need to be crushed, and the ventilation resistance of the air cooler 1 does not increase in order to provide the cool storage function.

  Further, when the air cooler 1 is not provided with a cold storage function, the second partition plates 32 and 42 in the upper and lower header tanks 3 and 4 may be removed. There is no change in the outer shape of the cooler 1.

  As described above, according to the air cooler 1 according to the first embodiment, the basics of the air cooler 1 can be obtained simply by moving the second partition plates 32 and 42 in the upper and lower header tanks 3 and 4. The maximum cooling capacity and the cold storage capacity can be changed without greatly changing the structure and without increasing the ventilation resistance, and the presence or absence of the cold storage function can be determined by the presence or absence of the second partition plates 32 and 42. Can be changed. As a result, the design of the air cooler 1 can be facilitated, and a large change in production equipment and the casing 100 is not necessary, thereby reducing costs.

  Moreover, since the tube 21b through which the refrigerant flows and the tube 21a in which the regenerator material is enclosed are made the same tube, the air cooler 1 without the regenerator function can be easily provided with the regenerator function.

  Further, the tube 21a filled with the regenerator material is arranged on the downstream side in the flow direction of the external air, and further, in the arrangement direction of the tubes 21, 22 and the fins 23, it is positioned next to the tube 21a filled with the regenerator material. Since the refrigerant is circulated through the tube 21b, the cool storage time for the cool storage material can be shortened.

  Moreover, since the bypass pipe 39 is provided in the upper header tank 3, the refrigerant can be bypassed and flowed without changing the outer shape of the air cooler 1. Thereby, when accommodating the air cooler 1 in the casing 100, it is not necessary to change the shape of the casing 100 depending on the presence or absence of the bypass pipe 39, and the cost can be further reduced.

  Further, since the supply pipe 50 and the discharge pipe 51 are connected to the upper header tank 3 from the same side surface of the air cooler 1, the casing 100 can be easily designed.

  Further, since the supply pipe 50 and the discharge pipe 51 are adjacent to each other, for example, when piping to the engine room side is necessary, the piping layout can be facilitated.

(Embodiment 2)
FIG. 4 is a diagram showing a simplified internal structure of the air cooler 1 according to Embodiment 2 of the present invention. The air cooler 1 of the second embodiment is different from that of the first embodiment in the partition structure of the upper header tank 3 and the lower header tank 4, and the other parts are configured in the same manner as in the first embodiment. Hereinafter, a different part from Embodiment 1 is demonstrated in detail.

  A fourth partition plate 34 is disposed in the upper header tank 3. The fourth partition plate 34 is located on the right side of the third partition plate 33 in the leeward space R. Therefore, the right space R3, the central space R4, and the left space R5 are formed in the leeward space R of the upper header tank 3.

  A third partition plate 43 is disposed in the lower header tank 4. The third partition plate 43 is located on the right side of the second partition plate 42 in the leeward space T and corresponds to the fourth partition plate 34 of the upper header tank 3. Accordingly, the right space T3, the central space T4, and the left space T5 are formed in the leeward space T of the lower header tank 4.

  The leeward side tube 21 is set with a tube 21c connected to the right side space R3 of the leeward side space R of the upper header tank 3 and the right side space T3 of the leeward side space T of the lower header tank 4. The refrigerant flows through the tube 21c.

  Further, a bypass pipe 49 constituting a bypass passage is provided in the central space T4 of the leeward space T of the lower header tank 4. The bypass pipe 49 is for allowing the refrigerant in the right space T3 of the leeward space T to flow into the left space T5, bypassing the central space T4. The upstream side of the bypass pipe 49 is connected to the right space T3. The downstream side of the bypass pipe 49 is connected to the left space T5.

  Next, the flow of the refrigerant in the air cooler 1 according to the second embodiment will be described. The refrigerant flows from the supply pipe 50 into the right space R3 of the leeward space R of the upper header tank 3 as shown by the arrow A in FIG. 4, and then flows into the tube 21c connected to the right space R3 as shown by the arrow B. Then, the tube 21c is distributed. The refrigerant flowing through the tube 21c flows into the right space T3 of the leeward space T of the lower header tank 4 as shown by the arrow C, then flows into the bypass pipe 49, and passes through the bypass pipe 49 as shown by the arrow D. Flow to the left. The refrigerant flowing through the bypass pipe 49 flows into the left space T5 of the leeward space T, then flows into the tube 21b connected to the left space T5 as indicated by the arrow E, and passes through the tube 21b as indicated by the arrow F. Circulate. The refrigerant flowing through the tube 21b flows into the left space R5 of the leeward space R of the upper header tank 3 and flows into the left space S2 of the windward space S from the communication hole 31a as indicated by an arrow G. Then, after flowing through the tube 22 connected to the left space S2 and flowing into the windward space U of the lower header tank 4, the tube 22 connected to the right space S1 is circulated as shown by the arrow H. It flows into the right space S1 of the windward space S of the header tank 3 and is discharged to the outside through the discharge pipe 51 as indicated by an arrow I.

  In the air cooler 1 of this Embodiment 2, there can exist the same effect as Embodiment 1. FIG. Furthermore, since the tubes 21b and 21c through which the refrigerant flows are arranged on both sides of the tube 21a filled with the regenerator material, the regenerator part of the air cooler 1 is cooled from both sides. The cold storage time can be shortened.

(Embodiment 3)
FIG. 5 is a simplified view of the internal structure of the air cooler 1 according to Embodiment 3 of the present invention. Since the air cooler 1 of the third embodiment is different from that of the first embodiment in the partition structure of the upper header tank 3 and the lower header tank 4, the other parts are configured in the same manner as in the first embodiment. Hereinafter, a different part from Embodiment 1 is demonstrated in detail.

  The air cooler 1 according to the third embodiment has a fourth partition plate 34 provided in the upper header tank 3, a third partition plate 43 provided in the lower header tank 4, and a bypass to the lower header tank 4. The second embodiment is the same as the second embodiment in that a tube 49 is provided.

  A fourth partition plate 44 is provided in the windward space U of the lower header tank 4. The fourth partition plate 44 is located between the second partition plate 42 and the third partition plate 43, and the windward space U is partitioned into the right space U1 and the left space U2 by the fourth partition plate 44. ing.

  The third partition plate 33 of the upper header tank 3 is located on the left side of the fourth partition plate 44 of the lower header tank 4.

  Further, the discharge pipe 51 is provided on the windward side on the right side surface of the lower header tank 4 and is connected to the right space U1 of the windward space U.

  Next, the flow of the refrigerant in the air cooler 1 according to the third embodiment will be described. The refrigerant flows from the supply pipe 50 into the right space R3 of the leeward space R of the upper header tank 3 as shown by the arrow A in FIG. 5, and then flows into the tube 21c connected to the right space R3 as shown by the arrow B. Then, the tube 21c is distributed. The refrigerant flowing through the tube 21c flows into the right space T3 of the leeward space T of the lower header tank 4 as shown by the arrow C, then flows into the bypass pipe 49, and passes through the bypass pipe 49 as shown by the arrow D. Flow to the left. The refrigerant flowing through the bypass pipe 49 flows into the left space T5 of the leeward space T, then flows into the tube 21b connected to the left space T5 as indicated by the arrow E, and passes through the tube 21b as indicated by the arrow F. Circulate. The refrigerant flowing through the tube 21b flows into the left space R5 of the leeward space R of the upper header tank 3 and flows into the left space S2 of the windward space S from the communication hole 31a as indicated by an arrow G. Then, after flowing through the tube 22 connected to the left space S2 and flowing into the left space U2 of the windward space U of the lower header tank 4, the tube 22 connected to the left space U2 as shown by the arrow H It flows through and flows into the right space S1 of the windward space S of the upper header tank 3. Then, it flows through the tube 22 connected to the right space U1 of the windward space U of the lower header tank 3 and flows into the right space U1, and is discharged from the discharge pipe 51 to the outside as indicated by an arrow J.

  In the air cooler 1 according to the third embodiment, the same effects as those of the first embodiment can be achieved.

(Embodiment 4)
FIG. 6 is a simplified view of the internal structure of the air cooler 1 according to Embodiment 4 of the present invention. Since the air cooler 1 of the fourth embodiment is different from that of the first embodiment in the partition structure of the upper header tank 3 and the lower header tank 4, the other parts are configured in the same manner as in the first embodiment. Hereinafter, a different part from Embodiment 1 is demonstrated in detail.

  The air cooler 1 of the fourth embodiment is the same as the second embodiment in that the fourth partition plate 34 is provided in the upper header tank 3 and the third partition plate 43 is provided in the lower header tank 4. . Further, the fourth embodiment is the same as the third embodiment in that the fourth partition plate 44 is provided in the lower header tank 4.

  A fifth partition plate 35 is provided in the windward space S of the upper header tank 3. The fifth partition plate 35 is positioned so as to correspond to the fourth partition plate 34, and therefore, the right space S 3, the central space S 4, and the left space S 5 are formed in the windward space S of the upper header tank 3. Will be. The third partition plate 33 of the upper header tank 3 is positioned so as to correspond to the second partition plate 32. A communication hole 31b that allows the right space R3 and the right space S3 to communicate with each other is formed on the right side of the first partition plate 31 of the upper header tank 3 with respect to the fourth partition plate 34.

  The first partition plate 41 of the lower header tank 4 is formed with a communication hole 41 a that communicates the left space T5 and the left space U2 on the left side of the second partition plate 42. Further, the first partition plate 41 of the lower header tank 4 is formed with a communication hole 41 b on the right side of the third partition plate 43 to allow the right space T3 and the right space U1 to communicate with each other.

  Further, the discharge pipe 51 is provided on the leeward side on the left side surface of the upper header tank 3 and is connected to the left side space R5 of the leeward side space R.

  Next, the flow of the refrigerant in the air cooler 1 according to the fourth embodiment will be described. The refrigerant flows from the supply pipe 50 into the right space R3 of the leeward space R of the upper header tank 3 as shown by the arrow A in FIG. And flows into the tube 21c connected to the right space R3 as shown by the arrow B2, and flows through the tube 21c. The refrigerant flowing into the right space S3 of the leeward space S flows through the tube 22 connected to the right space S3 as indicated by the arrow D and flows into the right space U1 of the windward space U of the lower header tank 4. . Moreover, the refrigerant | coolant which distribute | circulated the tube 21c flows into the right side space T3 of the leeward side space T of the lower header tank 4 as shown by the arrow C, and flows into the right side space U1 of the upwind side space U from the communication hole 41b. The refrigerant flowing into the right space U1 flows through the tube 22 connected to the right space U1 as shown by the arrow E, flows into the central space S4 of the windward space S of the upper header tank 3, and further, as indicated by the arrow F. As shown, it flows through the tube 22 connected to the left space U 2 and flows into the left space U 2 of the windward space U of the lower header tank 4. The refrigerant flowing into the left space U2 flows through the tube 22 connected to the left space S5 of the windward space S of the upper header tank 3 as shown by arrows G and H2, flows into the left space S5, and further, the arrows As indicated by J, the air flows into the left space R5 of the leeward space R from the communication hole 31a. The refrigerant in the left space U2 flows into the left space T5 of the leeward space T from the communication hole 41a as indicated by the arrow H1, flows through the tube 21b connected to the left space T5, and leeward of the upper header tank 3. It flows into the left space R5 of the side space R. The refrigerant in the left space R5 is discharged from the discharge pipe 51 to the outside as indicated by an arrow K.

  In the air cooler 1 according to the fourth embodiment, the same effects as those of the first embodiment can be achieved.

(Embodiment 5)
FIG. 7 is a simplified view of the internal structure of the air cooler 1 according to Embodiment 5 of the present invention. The air cooler 1 of the fifth embodiment is different from that of the first embodiment in the partition structure of the upper header tank 3 and the lower header tank 4, and the other parts are configured in the same manner as in the first embodiment. Hereinafter, a different part from Embodiment 1 is demonstrated in detail.

  The air cooler 1 of Embodiment 5 is different from that of Embodiment 6 in that a bypass pipe 49 is provided and a communication hole of the first partition plate 41 of the lower header tank 4 is not provided. Yes.

  The bypass pipe 49 is the same as the bypass pipe 49 of the third embodiment.

  Next, the refrigerant flow of the air cooler 1 according to the fifth embodiment will be described. The refrigerant flows from the supply pipe 50 into the right space R3 of the leeward space R of the upper header tank 3 as shown by the arrow A in FIG. 7, and then flows into the tube 21c connected to the right space R3 as shown by the arrow B. Then, the tube 21c is distributed. The refrigerant flowing through the tube 21c flows into the right space T3 of the leeward space T of the lower header tank 4 as shown by the arrow C, then flows into the bypass pipe 49, and passes through the bypass pipe 49 as shown by the arrow D. Flow to the left. The refrigerant flowing through the bypass pipe 49 flows into the left space T5 of the leeward space T, then flows into the tube 21b connected to the left space T5 as indicated by the arrow E, and passes through the tube 21b as indicated by the arrow F. Circulate. The refrigerant flowing through the tube 21b flows into the left space R5 of the leeward space R of the upper header tank 3, and flows into the left space S5 of the windward space S from the communication hole 31a as indicated by an arrow G. Then, after flowing through the tube 22 connected to the left space S5 and flowing into the right space U2 of the windward space U of the lower header tank 4, the tube 22 connected to the left space U2 as shown by the arrow H It flows and flows into the central space S4 of the windward space S of the upper header tank 3. Then, as shown by an arrow I, the gas flows through the tube 22 connected to the central space S4 and flows into the right space U1 of the windward space U of the lower header tank 3. The refrigerant flowing into the right space U1 flows through the tube 22 connected to the right space S3 of the windward space S of the upper header tank 3 as indicated by an arrow J and flows into the right space S3, as indicated by an arrow K. Is discharged from the discharge pipe 51 to the outside.

  In the air cooler 1 of the fifth embodiment, the same operational effects as those of the first embodiment can be obtained.

(Embodiment 6)
FIG. 8 is a simplified view of the internal structure of the air cooler 1 according to Embodiment 6 of the present invention. The air cooler 1 of the sixth embodiment is different from that of the first embodiment in the partition structure of the upper header tank 3 and the lower header tank 4, and the other parts are configured in the same manner as in the first embodiment. Hereinafter, a different part from Embodiment 1 is demonstrated in detail.

  The air cooler 1 according to the sixth embodiment has three partition plates of the upper header tank 3 and the fifth header 45 provided in the lower header tank 4 with respect to that of the fifth embodiment. Is different.

  The structure of the upper header tank 3 is the same as that of the second embodiment. Further, the fifth partition plate 45 of the lower header tank 4 is disposed on the left side of the fourth partition plate 44 in the windward space U and corresponds to the second partition plate 42. The fourth partition plate 44 corresponds to the third partition plate 43. As with the leeward space T, the windward space U is partitioned into the right space U3, the central space U4, and the left space U5 by the fourth partition plate 44 and the fifth partition plate 45.

  The fourth partition plate 44 is formed with a communication hole 44a that allows the right space U3 and the central space U4 to communicate with each other. The fifth partition plate 45 is formed with a communication hole 45a that allows the left space U5 and the central space U4 to communicate with each other.

  Next, the refrigerant flow of the air cooler 1 according to the sixth embodiment will be described. The refrigerant flows from the supply pipe 50 into the right space R3 of the leeward space R of the upper header tank 3 as shown by the arrow A in FIG. 8, and then flows into the tube 21c connected to the right space R3 as shown by the arrow B. Then, the tube 21c is distributed. The refrigerant flowing through the tube 21c flows into the right space T3 of the leeward space T of the lower header tank 4 as shown by the arrow C, then flows into the bypass pipe 49, and passes through the bypass pipe 49 as shown by the arrow D. Flow to the left. The refrigerant flowing through the bypass pipe 49 flows into the left space T5 of the leeward space T, then flows into the tube 21b connected to the left space T5 as indicated by the arrow E, and passes through the tube 21b as indicated by the arrow F. Circulate. The refrigerant flowing through the tube 21b flows into the left space R5 of the leeward space R of the upper header tank 3 and flows into the left space S2 of the windward space S from the communication hole 31a as indicated by an arrow G. Then, after flowing through the tube 22 connected to the left space S2 and flowing into the central space U4 of the windward space U of the lower header tank 4, the windward space S of the upper header tank 3 as indicated by an arrow H is shown. It flows through the tube 22 connected to the right space S1 and flows into the right space S1. Then, as indicated by an arrow I, it is discharged from the discharge pipe 51 to the outside.

  The communication holes 44a and 45a are the heat exchange medium control unit of the present invention, whereby the refrigerant (heat exchange medium) that circulates in the tube located upstream in the external air flow direction of the tube filled with the cold storage material. The flow rate can be increased.

  In the air cooler 1 of the sixth embodiment, the same effects as those of the first embodiment can be achieved.

(Embodiment 7)
FIG. 9 shows a form in which a bypass passage 48 is formed without providing a bypass pipe inside the lower header tank 4 of the air cooler 1 according to the second embodiment of the present invention.

  In the air cooler 1 of the seventh embodiment, the same operational effects as those of the first embodiment can be achieved.

(Embodiment 8)
FIG. 10 is a simplified view of the internal structure of the air cooler 1 according to the eighth embodiment of the present invention. The air cooler 1 of the eighth embodiment is different from that of the first embodiment in the partition structure of the upper header tank 3 and the lower header tank 4, and the other parts are configured in the same manner as in the first embodiment. Hereinafter, a different part from Embodiment 1 is demonstrated in detail.

  In the air cooler 1 of the eighth embodiment, the first to fifth partition plates 31 to 35 are provided in the upper header tank 3 as in the fourth embodiment, and the first to fourth partition plates 41 to 41 are disposed in the lower header tank 4. 44 is provided. A bypass pipe 39 is provided in the leeward space R of the upper header tank 3. The bypass pipe 39 is for allowing the refrigerant supplied from the supply pipe 50 to flow to the left space R5 by bypassing the right space R3 and the central space R4. The upstream side of the bypass pipe 39 is connected to the supply pipe 50. The downstream side of the bypass pipe 39 passes through the second partition plate 32 and is connected to the left space R5.

Next, the refrigerant flow of the air cooler 1 according to the eighth embodiment will be described. The refrigerant flows from the supply pipe 50 into the bypass pipe 39 of the upper header tank 3 as shown by the arrow A in FIG. 10, and then flows through the bypass pipe 39 as shown by the arrow B and flows into the left space R5. The refrigerant flowing into the left space R5 is diverted and flows into the left space S5 of the windward space S from the communication hole 31a as indicated by the arrow D, and flows through the tube 21b connected to the left space R5. It flows into the left space T5 of the leeward space T of the side header tank 4. The refrigerant flowing into the left space T5 flows into the left space U2 of the windward space U from the communication hole 41a as indicated by an arrow E. The refrigerant flowing into the left space S5 of the windward space S of the upper header tank 3 flows through the tube 22 connected to the left space S5 and flows into the left space U2 of the windward space U of the lower header tank 4. To do. The refrigerant flowing into the left space U2 enters the central space S4 in circulation tube 22 connected to the central space S4 in the windward side space S of the upper header tank 3 so as to indicate by the arrow G, indicated by the arrow H In this way, the tube 22 connected to the right space U1 of the windward space U of the lower header tank 4 is circulated and flows into the right space U1. The refrigerant flowing into the right space U1 flows through the tube 22 connected to the right space S3 of the windward space S of the upper header tank 3 as shown by arrows I and L and flows into the right space S3. Further, the refrigerant in the right space U1 of the lower header tank 4 flows from the communication hole 41b into the right space T3 of the leeward space T as indicated by an arrow M, and is connected to the right space T3 as indicated by an arrow J. It flows through the tube 21c and flows into the right space R3 of the leeward space R of the upper header tank 3. The refrigerant flowing into the right space R3 flows into the right space S3 of the windward space S from the communication hole 31b as indicated by an arrow K. The refrigerant flowing into the right space S3 is discharged to the outside from the discharge pipe 51 as indicated by an arrow N.

  In the air cooler 1 of the eighth embodiment, the same operational effects as those of the first embodiment can be obtained.

  As a modification of Embodiments 2 to 8 shown in FIG. 11, the air cooler 1 is provided with a tube 21 a filled with a cold storage material for the external air that has passed between the tubes 21 b and 21 c through which the refrigerant flows. Wind direction guides 61 and 61 for guiding to the other side may be provided. The wind direction guides 61 and 61 can be made of, for example, a plate material or the like. The air direction guides 61 and 61 guide the outside air flowing between the tubes 21b toward the center in the width direction of the air cooler 1, and the outside air flowing between the tubes 21c. Also, the air cooler 1 is inclined with respect to the flow direction of the external air so as to be guided toward the center in the width direction.

  According to this modification, the external air that has passed between the tubes 21b and 21c through which the refrigerant flows and the external air that flows between the tubes 21a filled with the cold storage material are mixed to make the downstream air temperature substantially uniform. This makes it possible to further improve passenger comfort.

  The shape and structure of the wind direction guide 61 can be arbitrarily changed according to the position of the tubes 21b and 21c through which the refrigerant flows and the position of the tube 21a filled with the cold storage material.

(Embodiment 9)
FIG. 12 is a diagram illustrating a simplified internal structure of the air cooler 1 according to the ninth embodiment of the present invention. Since the air cooler 1 of the ninth embodiment is different from that of the first embodiment in the partition structure of the upper header tank 3 and the lower header tank 4, the other parts are configured in the same manner as in the first embodiment. Hereinafter, a different part from Embodiment 1 is demonstrated in detail.

  In the leeward space R of the upper header tank 3, in addition to the second partition plate 32, fourth to sixth partition plates 34 to 36 are provided at intervals in the left-right direction. The leeward space R is partitioned into five spaces R6 to R10 in order from the right side to the left side. The third partition plate 33 is located between the fourth partition plate 34 and the fifth partition plate 35. A bypass pipe 39 is provided in the space R9. The bypass pipe 39 is for bypassing the space R9 with the refrigerant, and has an upstream end connected to the space R8 and a downstream end connected to the space R10.

  In the leeward space T of the lower header tank 4, in addition to the second partition plate 42, fourth to sixth partition plates 44 to 46 are provided at intervals in the left-right direction. The positional relationship in the left-right direction of the fourth to sixth partition plates 44 to 46 is set to be the same as that of the fourth to sixth partition plates 34 to 36 of the upper header tank 3. The leeward space T is partitioned into five spaces T6 to T10 in order from the right side to the left side. The third partition plate 43 is located between the second partition plate 42 and the sixth partition plate 46. A bypass pipe 49 is provided in the space T7. The bypass pipe 49 is for allowing the refrigerant to bypass the space T7, and has an upstream end connected to the space T6 and a downstream end connected to the space T8.

  The leeward side tube 21 is divided into five. That is, a tube 21c connected to the space R6 and the space T6, a tube 21d connected to the space R7 and the space T7, a tube 21e connected to the space R8 and the space T8, a tube 21a connected to the space R9 and the space T9, The tube 21b is connected to the space R10 and the space T10. Among these, the tubes 21a and 21d are filled with a cold storage material, and the refrigerant flows through the tubes 21b, 21c and 21e.

  Next, the refrigerant flow of the air cooler 1 according to the ninth embodiment will be described. The refrigerant flows from the supply pipe 50 into the space R6 of the upper header tank 3 as shown by the arrow A in FIG. 12, and then flows through the tube 21c connected to the space R6 as shown by the arrow B, so that the lower header tank 3 Into the space T6 of the leeward side space T. The refrigerant flowing into the space T6 flows through the bypass pipe 49 and flows into the space T8, flows through the tube 21e connected to the space T8 as indicated by the arrow D, and then flows into the space R8. The refrigerant flowing into the space R8 flows through the bypass pipe 39 as shown by the arrow E and flows into the space R10, and flows through the tube 21b connected to the space R10 as shown by the arrow F and flows into the space T10. . Thereafter, the refrigerant in the space T10 flows into the left space U2 of the windward space U from the communication hole 41a, flows through the tube 22 connected to the left space U2, and flows into the left space S2 of the windward space S of the upper header tank 3. Flow into. The refrigerant flowing into the left space S2 flows through the tube 22 connected to the right space U1 of the windward space U of the lower header tank 4 and flows into the right space U1, and then the windward space of the upper header tank 3 It flows through the tube 22 connected to the right space S1 of S and flows into the right space S1. The refrigerant flowing into the right space S1 is discharged to the outside from the discharge pipe 51 as indicated by an arrow H.

  In the air cooler 1 of the ninth embodiment, the same operational effects as those of the first embodiment can be obtained.

  In addition, this invention is applicable to the air cooler 1 which has various refrigerant flow paths other than having shown to the said embodiment.

  The above-described embodiment is merely an example in all respects and should not be interpreted in a limited manner. Further, all modifications and changes belonging to the equivalent scope of the claims are within the scope of the present invention.

  As described above, the air cooler with a cool storage function according to the present invention can be applied as, for example, a cooling heat exchanger for a vehicle air conditioner.

DESCRIPTION OF SYMBOLS 1 Air cooler with a cool storage function 2 Core 3 Upper header tank 4 Lower header tank 21, 22 Tube 23 Fin 31-36 Partition plate (partition part)
31a Communication hole (heat exchange medium control unit)
39 Bypass pipes 41 to 46 Partition plate (partition)
44a Communication hole (heat exchange medium controller)
45a Communication hole (heat exchange medium controller)
49 Bypass pipe 50 Supply pipe 51 Discharge pipe 61 Wind direction guide R Downwind space (downstream space)
R1 left side space (first space)
R2 right space (second space)
S Upwind space (upstream space)

Claims (7)

A core disposed such that a plurality of tubes and fins are alternately arranged in a predetermined direction;
In the air cooler with a cool storage function provided with a header tank arranged at the end of the tube,
The tubes are provided so as to be arranged in a plurality of rows in the flow direction of the external air,
In the header tank, an upstream space and a downstream space in the external air flow direction are formed corresponding to the arrangement of the tubes in the flow direction of the external air, and the downstream space is connected to the tube and A partition portion for partitioning at least the first space and the second space in the direction in which the fins are arranged is provided, and the end portions of the tubes communicate with the first space and the second space,
A supply pipe to which a heat exchange medium is supplied is connected to the first space,
The tube connected to the second space is filled with a cold storage material, and the tube filled with the cold storage material is disposed on the downstream side in the flow direction of the external air,
In the alignment direction of the tube and the fins, tubes with a cool storage function air cooler, characterized in that it is connected to the first space located next to the tube in which the cold accumulating material is filled. In the air cooler with a cool storage function according to claim 1,
The air cooler with a cold storage function, wherein the first tube connected to the first space and the second tube connected to the second space are the same tube. In the air cooler with a cool storage function according to claim 2 ,
An air cooler with a cold storage function , wherein the second space of the header tank is provided with a bypass passage for allowing the heat exchange medium to flow by bypassing the second space . In the air cooler with a cool storage function according to any one of claims 1 to 3 ,
A cold storage function, wherein a supply pipe for supplying a heat exchange medium to the header tank and a discharge pipe for discharging the heat exchange medium from the header tank are connected to the header tank from the same side surface of the air cooler. With air cooler. In the air cooler with a cool storage function according to claim 4 ,
The air cooler with a cool storage function, wherein the supply pipe and the discharge pipe are connected to the same header tank and are adjacent to each other . In the air cooler with a cool storage function according to any one of claims 1 to 5 ,
A cold storage function characterized in that the header tank is provided with a heat exchange medium controller that increases the flow rate of the heat exchange medium flowing in the tube located upstream of the tube filled with the cold storage material in the direction of external air flow With air cooler. In the air cooler with a cool storage function according to any one of claims 1 to 6,
An air cooler with a cool storage function, characterized in that a wind direction guide is provided for guiding external air that has passed between tubes through which a heat exchange medium flows to a side on which a tube filled with a cool storage material is disposed .

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